CN213159755U

CN213159755U - Belt washing wastewater recovery system

Info

Publication number: CN213159755U
Application number: CN202021803254.4U
Authority: CN
Inventors: 钱伟民; 王鹏瑞; 王爽; 李永亮; 张乐
Original assignee: Huzhou Shangjian Concrete Co ltd
Current assignee: Huzhou Shangjian Concrete Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-05-11
Anticipated expiration: 2030-08-25

Abstract

The application discloses waste water recovery system is washed to belt, including the catch basin that is used for collecting the belt washing waste water and being used for supplying the sedimentation basin that washes waste water subsides, be provided with the support frame on the sedimentation basin, it is connected with hollow drum sieve to rotate on the support frame, set up the filtration pore of intercommunication drum sieve inner chamber on the outer wall of drum sieve, the drum sieve sets up along the horizontal direction, the catch basin passes through the inner chamber intercommunication of connecting pipe with the drum sieve, be provided with the relative support frame pivoted drive arrangement of drive drum sieve on the support frame. This application is washed the waste water through setting up the drum sieve to the belt and is filtered, has realized reducing production water consumption to the recycle of washing waste water.

Description

Belt washing wastewater recovery system

Technical Field

The application relates to the technical field of concrete preparation, in particular to a waste water recovery system.

Background

The belt conveyer is a continuous conveyer using flexible conveyer belt as material bearing and drawing member. In the preparation process of concrete, a belt conveyor is widely applied to conveying of materials such as sand, gravel and the like. As the sand and stone material contains the standard and allowable mud powder, stone powder and fine mud blocks, partial material is adhered to the herringbone belt after the material is fed and is adhered to the supporting roller of the herringbone belt along with the transmission of the belt, the friction resistance between the supporting roller and the herringbone belt is increased, the equipment abrasion is accelerated, the energy consumption is increased, and the noise is easy to generate; the quality of the concrete may also be affected when more of these impurities are collected and enter the main mixer.

In order to solve the problems, a belt conveyor with a flushing device appears in the related art, and as disclosed in the chinese utility model with the publication number of CN202053381U, the belt conveyor comprises a flushing pipe and a water valve mounted on the flushing pipe, wherein the flushing pipe is provided with a plurality of water spraying holes and is arranged below a man-shaped belt feeding port. The cleaning device directly washes the surface of the herringbone belt after feeding through the water spray holes on the washing pipe, and can effectively reduce the adhesion and the accumulation of sand and stone impurities on the herringbone belt and the supporting carrier roller.

The above prior art has the following disadvantages: the waste water generated by washing the belt can not be effectively recycled, which is not beneficial to reducing the production water consumption.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a belt washes waste water recovery system, it can wash waste water to the belt and filter and retrieve to in cyclic utilization, effectively reduce the production water and consume.

The technical purpose of the application is realized by the following technical scheme:

the utility model provides a belt washes waste water recovery system, is including the water catch bowl that is used for collecting the belt and washes waste water and be used for supplying to wash the sedimentation tank that waste water subsides, be provided with the support frame on the sedimentation tank, it is connected with hollow drum sieve to rotate on the support frame, set up the filtration pore of intercommunication drum sieve inner chamber on the outer wall of drum sieve, the drum sieve sets up along the horizontal direction, the water catch bowl passes through the inner chamber intercommunication of connecting pipe with the drum sieve, be provided with the relative support frame pivoted drive arrangement of drive drum sieve on the support frame.

Through above-mentioned technical scheme, the water catch bowl is collected the waste water after washing to in assembling the inner chamber of drum sieve through the connecting pipe, utilize the drum sieve to filter washing waste water, impurity such as grit is by the separation in the drum sieve, and the water after the filtration gets into the settling tank and further subsides, so that retrieve and recycle. The drum screen is installed and fixed at the tank opening by utilizing the support frame, so that the filter screen is convenient to clean and replace; the rotary screen is horizontally arranged and is driven to rotate by the driving device, so that the filtering area is increased, the filtering efficiency is improved, and the service cycle of the rotary screen is prolonged. The settling tank is convenient for further settling in the flushing wastewater, and fine impurities are filtered out.

The application is further configured to: one end of the rotary screen is provided with a discharge port, the discharge port is provided with a material collecting box for collecting sand and stone impurities, and the rotary screen is downwards inclined towards the material collecting box.

Through the technical scheme, in the process of rotating and filtering the drum screen, the filtered gravel slides towards the discharge port along the inclined drum screen and falls into the material collecting box; on one hand, the sand accumulation can be prevented from influencing the efficiency of the filter layer; on the other hand, the friction of the sand to the screen is reduced, and the equipment loss is reduced.

The application is further configured to: the other end of the drum screen is provided with a feed inlet, and the connecting pipe penetrates into an inner cavity of the drum screen from the feed inlet.

Through above-mentioned technical scheme, the connecting pipe directly penetrates from the feed inlet to make wash waste water and fall into the inner chamber of drum sieve, need not the erection joint, reduced the processing degree of difficulty, reduced the material cost of equipment.

The application is further configured to: be provided with the deflector between discharge gate and the case that gathers materials, the deflector sets up towards the case downward sloping that gathers materials.

Through above-mentioned technical scheme, utilize the deflector guide discharge gate grit impurity landing to the case that gathers materials that falls, avoid the grit to fall into the settling basin as far as possible.

The application is further configured to: the supporting frame is provided with a plurality of guide wheels which are distributed in the circumferential direction, and the guide wheels are abutted against the outer wall of the drum screen.

Through the technical scheme.

The application is further configured to: the cover is equipped with first solid fixed ring on the drum sieve, be the recess that supplies the leading wheel butt on the first solid fixed ring of circumference.

Through the technical scheme, the guide wheel is matched with the groove, the implementation of circumferential rotation of the drum screen relative to the support frame is guaranteed, and compared with other rotary connections, the installation mode is simple in structure, small in processing difficulty and low in material cost; the groove has good guidance quality and can effectively prevent the guide wheel from being separated from being abutted with the drum screen.

The application is further configured to: the driving device comprises a motor, a belt pulley coaxially and fixedly arranged on a transmission shaft of the motor, a second fixing ring sleeved on the outer wall of the drum screen, a belt groove circumferentially arranged on the second fixing ring, and a belt wound on the belt pulley and the belt groove.

Through above-mentioned technical scheme, motor drive belt pulley rotates, at the cooperation of belt and belt groove, drives the drum sieve and rotates, realizes the circumferential direction of drum sieve for the support frame.

The application is further configured to: the sedimentation tank is internally provided with a guide surface which is arranged in a downward inclination manner.

Through the technical scheme, the sedimentation tank is used for further settling and filtering fine impurities in the washing wastewater; the guide surface that utilizes the slope to set up can increase and subside the area, is favorable to improving the settlement efficiency of grit.

In summary, the present application has the following beneficial effects:

1. the rotary screen arranged in a rotating way is used for filtering the sand and stone impurities in the washing wastewater, so that the filtering effect is ensured, and the filtering efficiency is improved;

2. through setting up discharge gate, deflector and the case that gathers materials, the grit impurity that will filter out is collected in the case that gathers materials, when extension drum sieve life cycle, reduces the wearing and tearing of equipment.

3. The cooperation of guide wheel and drive arrangement realizes the circumferential direction of drum sieve for the support frame, simple structure, and equipment material cost and processing low cost.

4. The guide surface which is obliquely arranged is utilized to increase the sedimentation area and improve the sedimentation efficiency.

Drawings

FIG. 1 is a schematic view showing the overall construction of a belt flushing wastewater recovery system according to the present embodiment;

FIG. 2 is a schematic view of the connection between the supporting frame, the drum screen and the driving device in this embodiment;

fig. 3 is a partially enlarged schematic view at a in fig. 2.

Reference numerals: 1. a water collection tank; 11. a connecting pipe; 2. a sedimentation tank; 21. a guide surface; 3. a support frame; 31. a guide wheel; 4. a drum screen; 41. a discharge port; 42. a feed inlet; 43. a first retaining ring; 44. a groove; 45. screening a screen; 5. a drive device; 51. a motor; 52. a belt pulley; 53. a second retaining ring; 54. a belt groove; 55. a belt; 6. a material collecting box; 7. a guide plate; 8. a belt conveyor; 9. a silt pump.

Detailed Description

Referring to fig. 1, a belt washing wastewater recovery system comprises a water collection tank 1, a drum screen 4 and a sedimentation basin 2, wherein the water collection tank 1 is arranged below a belt 55 conveyor and used for collecting wastewater for washing the belt, and the water collection tank 1 is arranged along the conveying direction of a belt conveyor 8. The drum sieve 4 is arranged above the sedimentation tank 2 and used for filtering sand and stone impurities in the flushing wastewater, and the sedimentation tank 2 is used for settling the filtered flushing wastewater in one step so as to settle fine impurities in the flushing wastewater and facilitate the recycling of the wastewater.

Referring to fig. 1, a support frame 3 is fixedly arranged on the sedimentation tank 2, and a drum screen 4 and a driving device 5 for driving the drum screen 4 to rotate circumferentially relative to the support frame 3 are rotatably arranged on the support frame 3. The trommel 4 is hollow cylinder, and the outer wall of trommel 4 is seted up the filtration pore of intercommunication trommel 4 inner chamber, and in this embodiment, the outer wall of trommel 4 is made by screen cloth 45 who has the filtration pore. The drum screen 4 is arranged along the horizontal direction, a feeding hole 42 and a discharging hole 41 are formed in two ends of the drum screen 4 respectively, a material collecting box 6 is arranged at the discharging hole 41 of the drum screen 4, and the drum screen 4 is arranged downwards towards the material collecting box 6. Be provided with connecting pipe 11 between water catch bowl 1 and the drum sieve 4, connecting pipe 11 one end and water catch bowl 1 intercommunication, the connecting pipe 11 other end penetrates the inner chamber of drum sieve 4 from feed inlet 42, still is provided with on the connecting pipe 11 and is used for providing hydraulic silt pump 9.

Referring to fig. 1, the wastewater collected in the water collecting tank 1 enters the inner cavity of the drum screen 4 through the connecting pipe 11, sand and stone impurities in the wastewater are blocked in the inner cavity of the drum screen 4, and the filtered wastewater penetrates through the screen 45 and enters the sedimentation tank 2 for further sedimentation. The driving device 5 drives the drum screen 4 to rotate circumferentially and drives the sandstone impurities in the inner cavity of the drum screen 4 to roll towards the discharge port 41 and fall into the material collection box 6.

Referring to fig. 2, the outer wall of the drum screen 4 is sleeved with a first fixing ring 43, the first fixing ring 43 is provided with two ends which are respectively located at the drum screen 4, and the first fixing ring 43 is provided with grooves 44 which are circumferentially distributed on the first fixing ring 43. Two groups of guide wheels 31 are arranged on the support frame 3, each group of guide wheels 31 comprises a plurality of guide wheels 31 circumferentially distributed on the support frame 3, and the guide wheels 31 of the two groups of guide wheels 31 are respectively abutted in the grooves 44 of the first fixing rings 43 at the two ends of the drum screen 4.

Referring to fig. 1 and 2, further, a guide plate 7 is arranged between the discharge port 41 and the material collecting box 6, the guide plate 7 is inclined towards the material collecting box 6, and the guide plate 7 is fixedly connected with the support frame 3. The guide plate 7 has guiding and transition functions and can guide sand and stone impurities into the material collecting box 6.

Referring to fig. 2, since both ends of the drum screen 4 are fixed by the guide wheels 31 and the grooves 44 and the guide wheels 31 are rollable, the drum screen 4 circumferentially abutted against the respective guide wheels 31 can be rotated circumferentially relative to the supporting frame 3.

Referring to fig. 2, the driving device 5 includes a motor 51, a belt pulley 52 coaxially fixed on a transmission shaft of the motor 51, a second fixing ring 53 sleeved on an outer wall of the drum screen 4, a belt 55 groove 54 circumferentially opened on the second fixing ring 53, and a belt 55 wound on the belt pulley 52 and the belt 55 groove 54. The motor 51 drives the belt 55 and the pulley 52 to rotate, and the belt 55 and the pulley 52 drive the rotary screen 4 to rotate through the belt 55.

Referring to fig. 1, a guide surface 21 inclined downwards is arranged in the sedimentation tank 2, and compared with the sedimentation tank 2 vertically arranged, the guide surface 21 inclined downwards can increase the sedimentation area of the sedimentation tank 2, and obviously increase the sedimentation efficiency.

The implementation principle of the embodiment is as follows:

1. the silt pump 9 sends the washing wastewater in the water collecting tank 1 into the inner cavity of the drum screen 4, the sandstone impurities in the washing wastewater are blocked in the inner cavity of the drum screen 4, and the filtered water enters the sedimentation tank 2 after permeating the screen mesh 45.

2. The motor 51 drives the belt pulley 52 to rotate, the belt pulley 52 drives the rotary screen 4 to rotate through the belt 55, sand retained in the rotary screen 4 moves towards the discharge port 41 in the rotation of the rotary screen 4 and falls on the guide plate 7, and the sand is collected in the material collecting box 6 along the guide plate 7.

3. When the water in the water collecting tank 1 is evacuated, the silt pump 9 and the motor 51 are turned off.

4. The filtered water entering the sedimentation tank 2 is slowly settled, so that fine impurities remained in the wastewater are precipitated on the guide surface 21 or at the bottom of the sedimentation tank 2; the sediment settled on the guide surface 21 slides gradually along the inclined guide surface 21 into the bottom of the sedimentation basin 2.

5. After the sedimentation is finished, the supernatant in the sedimentation basin 2 can be used for washing the belt conveyor 8 again.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims

1. The utility model provides a belt washes waste water recovery system, includes water catch bowl (1) that is used for collecting belt (55) washing waste water and is used for supplying to wash sedimentation tank (2) that waste water subsides, its characterized in that: the sedimentation tank is characterized in that a support frame (3) is arranged on the sedimentation tank (2), a hollow rotary screen (4) is rotatably connected onto the support frame (3), filter holes communicated with the inner cavity of the rotary screen (4) are formed in the outer wall of the rotary screen (4), the rotary screen (4) is arranged along the horizontal direction, the water collecting tank (1) is communicated with the inner cavity of the rotary screen (4) through a connecting pipe (11), and a driving device (5) for driving the rotary screen (4) to rotate relative to the support frame (3) is arranged on the support frame (3).

2. A belt flushing wastewater recovery system as set forth in claim 1, wherein: one end of the rotary screen (4) is provided with a discharge port (41), the discharge port (41) is provided with a material collecting box (6) for collecting sand and stone impurities, and the rotary screen (4) is arranged downwards towards the material collecting box (6).

3. A belt flushing wastewater recovery system as set forth in claim 2, wherein: the other end of the drum screen (4) is provided with a feeding hole (42), and the connecting pipe (11) penetrates into an inner cavity of the drum screen (4) from the feeding hole (42).

4. A belt flushing wastewater recovery system as set forth in claim 2, wherein: be provided with deflector (7) between discharge gate (41) and collection workbin (6), deflector (7) set up towards collection workbin (6) downward sloping.

5. A belt flushing wastewater recovery system as set forth in claim 1, wherein: the supporting frame (3) is provided with a plurality of guide wheels (31) which are distributed in the circumferential direction, and the guide wheels (31) are abutted to the outer wall of the drum screen (4).

6. A belt flushing waste water recovery system as claimed in claim 4, wherein: the drum screen (4) is sleeved with a first fixing ring (43), and a groove (44) for the guide wheel (31) to abut against is formed in the first fixing ring (43) in the circumferential direction.

7. A belt flushing wastewater recovery system as set forth in claim 1, wherein: the driving device (5) comprises a motor (51), a belt (55) wheel (52) coaxially and fixedly arranged on a transmission shaft of the motor (51), a second fixing ring (53) sleeved on the outer wall of the drum screen (4), a belt (55) groove (54) circumferentially arranged on the second fixing ring (53), and a belt (55) wound on the belt (55) wheel (52) and the belt (55) groove (54).

8. A belt flushing wastewater recovery system as set forth in claim 1, wherein: and a guide surface (21) which is downwards inclined is arranged in the sedimentation tank (2).